The 1.54mm lens on the new ultra-wide angle camera (13mm full-frame equivalent) has a relatively slow maximum aperture of f/2.4, has five elements and the sensor behind it is fairly small at 1/3.6″. The 4.25mm wide angle lens (26mm FF equivalent) has the best features, with its maximum aperture f/1.8, six elements, and the sensor size is 1/2
uuIW8.